#170F6A#170F6A

#170F6A is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.6% C 0.146 H 273.9°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#170F6A
RGB	rgb(23, 15, 106)
HSL	hsl(245, 75%, 24%)
HSV	hsv(245, 86%, 42%)
CMYK	cmyk(78.3%, 85.8%, 0%, 58.4%)
CIE-LAB	lab(13.01, 35.13, -50.37)
CIE-LCH	lch(13.01, 61.41, 304.89°)
OKLab	oklab(26.56% 0.01 -0.1457)
OKLCH	oklch(26.56% 0.146 273.9)
XYZ	xyz(3.1248, 1.5641, 13.7701)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F6A #626A0F

analogous

#0F346A #170F6A #440F6A

triadic

#170F6A #6A170F #0F6A17

tetradic

#170F6A #6A0F34 #626A0F #0F6A44

square

#170F6A #6A0F34 #626A0F #0F6A44

split-complementary

#170F6A #6A440F #346A0F

monochromatic

#06041B #0B0734 #170F6A #2317A0 #2E1ED5

Accessibility & contrast

On white

16.00

#170F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#170F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F6A

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F6A	#FFFFFF	#000000	##FFFFFF
##170F6A	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266C

Deuteranopia (green-blind)

#001D68

Tritanopia (blue-blind)

#002C3D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #170f6a;
/* rgb */ color: rgb(23, 15, 106);
/* oklch */ color: oklch(26.6% 0.146 273.9);

Tailwind

colors: {
  custom: {
    50: '#655096',
    500: '#170f6a',
    950: '#000000',
  },
}

SCSS

$custom: #170f6a;
$custom-light: #655096;
$custom-dark: #000000;

JSON

{
  "hex": "#170f6a",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 106
  },
  "hsl": {
    "h": 245.275,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26564,
    "c": 0.14603,
    "h": 273.9
  },
  "luminance": 0.01564
}

Semantic roles & 50–950 ramp

primary

#170F6A

secondary

#99A232

accent

#F236E1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #170F6A

Body copy rendered with the generated semantic roles for this colour.

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